CN205039620U - LED display screen signal battery dual backup circuit - Google Patents
LED display screen signal battery dual backup circuit Download PDFInfo
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- CN205039620U CN205039620U CN201520835779.9U CN201520835779U CN205039620U CN 205039620 U CN205039620 U CN 205039620U CN 201520835779 U CN201520835779 U CN 201520835779U CN 205039620 U CN205039620 U CN 205039620U
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Abstract
The utility model provides a LED display screen signal battery dual backup circuit, including a power input module, the 2nd power input module, the first signal input module, second signal input module, switching control circuit and LED display module assembly, a power input module and the 2nd power input module insert the power through a power source and the 2nd power source respectively, the first signal input module and second signal input module insert through the first signal interface and the 2nd signal interface respectively and show the signal, a power input module and the 2nd power input module all supply power to the LED display module assembly through switching over control circuit, the first signal input module and second signal input module are all through switching control circuit to LED display module assembly transmission signal. The utility model discloses a set up the dual backup signal battery circuit and guaranteed the stable work of LED display screen, need not immediately to go field maintenance.
Description
Technical field
The utility model relates to a kind of LED display, particularly relates to a kind of LED display power supply signal double copies circuit.
Background technology
LED display technical development is in recent years rapid, and LED display has been widely used in a lot of occasion, the particularly important events such as department of government bodies, on-the-spot broadcasting or large-scale performance.Along with society development and cater to the application demand of important events, people are also just more and more higher, therefore also more and more higher to the performance requirement of LED display to the requirement of display quality, as required failure rate is low, and need not field service immediately.Existing LED display generally adopts oneway circuit output mode and single channel display output mode, once circuit output line road or output line road produce fault, then cannot normally display the play video, and need to carry out field service, field service needs to take the regular hour.
Utility model content
The technical problems to be solved in the utility model, be to provide a kind of LED display power supply signal double copies circuit, comprise the first Power Entry Module, second source input module, first signal input module, secondary signal input module, control switching circuit and LED show module, described first Power Entry Module and second source input module are respectively by the first power interface and second source interface access power supply, described first signal input module and secondary signal input module are respectively by the first signaling interface and secondary signal interface access display, described first Power Entry Module and second source input module all show module by control switching circuit to LED and power, described first signal input module and secondary signal input module all show module signal transmission by control switching circuit to LED.
Further, described control switching circuit comprises Acquisition Circuit and control circuit, described first Power Entry Module, second source input module, first signal input module and secondary signal input module provide the first power supply sampled signal to Acquisition Circuit respectively, second source sampled signal, first display sampled signal and the second display sampled signal, Acquisition Circuit feeds back to control circuit by after the signal transacting collected, first power supply signal of described first Power Entry Module, the second source signal of second source input module, first display of the first signal input module and the second display of secondary signal input module all output to LED by control circuit and show module.
Further, described control circuit adopts the one in electromagnetic relay circuit, temperature-sensitive dry-reed relay circuit, solid-state relay circuit and photorelay circuit.
Further, the one in described first signaling interface, the employing of secondary signal interface USB interface, DVI interface, DP interface and HDMI.
Further, described LED shows module and comprises LED circuit board, the front of LED circuit board is provided with LED group, the back side of LED circuit board is provided with MUC controller and memory, MUC controller has signal input part and signal output part, memory is connected to signal input part, and signal output part is connected to LED group.
Further, described first power supply sampled signal and second source sampled signal are voltage signal.
The utility model ensure that LED display steady operation by arranging double copies power supply signal circuit, without the need to immediately going field service, particularly in some important events activities, ensure that when occurring unexpected LED display normally works, avoiding causing heavy losses.
Accompanying drawing explanation
The utility model is further described with reference to the accompanying drawings in conjunction with the embodiments.
Fig. 1 is the circuit theory schematic diagram of LED display power supply signal double copies circuit of the present utility model.
Embodiment
Refer to Fig. 1, it is a kind of LED display power supply signal double copies circuit as most preferred embodiment of the present utility model, comprise the first Power Entry Module, second source input module, first signal input module, secondary signal input module, control switching circuit and LED show module, described first Power Entry Module and second source input module are respectively by the first power interface and second source interface access power supply, described first signal input module and secondary signal input module are respectively by the first signaling interface and secondary signal interface access display, described first Power Entry Module and second source input module all show module by control switching circuit to LED and power, described first signal input module and secondary signal input module all show module signal transmission by control switching circuit to LED.Described control switching circuit comprises Acquisition Circuit and control circuit, described first Power Entry Module, second source input module, first signal input module and secondary signal input module provide the first power supply sampled signal to Acquisition Circuit respectively, second source sampled signal, first display sampled signal and the second display sampled signal, Acquisition Circuit feeds back to control circuit by after the signal transacting collected, first power supply signal of described first Power Entry Module, the second source signal of second source input module, first display of the first signal input module and the second display of secondary signal input module all output to LED by control circuit and show module.Described control circuit adopts the one in electromagnetic relay circuit, temperature-sensitive dry-reed relay circuit, solid-state relay circuit and photorelay circuit.Described first signaling interface, secondary signal interface adopt the one in USB interface, DVI interface, DP interface and HDMI.Described LED shows module and comprises LED circuit board, the front of LED circuit board is provided with LED group, and the back side of LED circuit board is provided with MUC controller and memory, and MUC controller has signal input part and signal output part, memory is connected to signal input part, and signal output part is connected to LED group.Described first power supply sampled signal and second source sampled signal are voltage signal.First Power Entry Module and the first signal input module are as primary input end, second source input module and secondary signal input module are as input for subsequent use, according to the signal that Acquisition Circuit is fed back, described control circuit judges whether the first Power Entry Module, second source input module, the first signal input module and secondary signal input module normally work, if one of them Power Entry Module and signal input module break down just be switched to another Power Entry Module and signal input module, continue to show module to LED and power and display is provided.
In sum, the utility model ensure that LED display steady operation by arranging double copies power supply signal circuit, without the need to immediately going field service, particularly in some important events activities, ensure that when occurring unexpected LED display normally works, avoiding causing heavy losses.
By reference to the accompanying drawings the utility model is exemplarily described above; obvious the utility model specific implementation is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present utility model is conceived and technical scheme is carried out; or design of the present utility model and technical scheme directly applied to other occasion, all within protection range of the present utility model without to improve.
Claims (6)
1. a LED display power supply signal double copies circuit, it is characterized in that, comprise the first Power Entry Module, second source input module, first signal input module, secondary signal input module, control switching circuit and LED show module, described first Power Entry Module and second source input module are respectively by the first power interface and second source interface access power supply, described first signal input module and secondary signal input module are respectively by the first signaling interface and secondary signal interface access display, described first Power Entry Module and second source input module all show module by control switching circuit to LED and power, described first signal input module and secondary signal input module all show module signal transmission by control switching circuit to LED.
2. LED display power supply signal double copies circuit according to claim 1, it is characterized in that, described control switching circuit comprises Acquisition Circuit and control circuit, described first Power Entry Module, second source input module, first signal input module and secondary signal input module provide the first power supply sampled signal to Acquisition Circuit respectively, second source sampled signal, first display sampled signal and the second display sampled signal, Acquisition Circuit feeds back to control circuit by after the signal transacting collected, first power supply signal of described first Power Entry Module, the second source signal of second source input module, first display of the first signal input module and the second display of secondary signal input module all output to LED by control circuit and show module.
3. LED display power supply signal double copies circuit according to claim 2, is characterized in that, described control circuit adopts the one in electromagnetic relay circuit, temperature-sensitive dry-reed relay circuit, solid-state relay circuit and photorelay circuit.
4. LED display power supply signal double copies circuit according to claim 1, is characterized in that, described first signaling interface, secondary signal interface adopt the one in USB interface, DVI interface, DP interface and HDMI.
5. LED display power supply signal double copies circuit according to claim 1, it is characterized in that, described LED shows module and comprises LED circuit board, the front of LED circuit board is provided with LED group, the back side of LED circuit board is provided with MUC controller and memory, MUC controller has signal input part and signal output part, and memory is connected to signal input part, and signal output part is connected to LED group.
6. LED display power supply signal double copies circuit according to claim 1, is characterized in that, described first power supply sampled signal and second source sampled signal are voltage signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520835779.9U CN205039620U (en) | 2015-10-27 | 2015-10-27 | LED display screen signal battery dual backup circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520835779.9U CN205039620U (en) | 2015-10-27 | 2015-10-27 | LED display screen signal battery dual backup circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205039620U true CN205039620U (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520835779.9U Expired - Fee Related CN205039620U (en) | 2015-10-27 | 2015-10-27 | LED display screen signal battery dual backup circuit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106601184A (en) * | 2016-12-21 | 2017-04-26 | 深圳市奥拓电子股份有限公司 | LED display screen, power redundancy backup method and power redundancy backup device |
| CN107482762A (en) * | 2017-08-23 | 2017-12-15 | 浙江德广信电子科技股份有限公司 | A kind of LED display power supply backup circuit |
| CN111351533A (en) * | 2020-04-21 | 2020-06-30 | 中国舰船研究设计中心 | Marine steam flow measuring device and method |
| WO2022268003A1 (en) * | 2021-06-21 | 2022-12-29 | 广州视源电子科技股份有限公司 | Led display power supply and display device |
| CN115862486A (en) * | 2021-09-23 | 2023-03-28 | 深圳市普唐光电科技有限公司 | LED display screen with strong current and signal dual-protection function |
-
2015
- 2015-10-27 CN CN201520835779.9U patent/CN205039620U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106601184A (en) * | 2016-12-21 | 2017-04-26 | 深圳市奥拓电子股份有限公司 | LED display screen, power redundancy backup method and power redundancy backup device |
| CN106601184B (en) * | 2016-12-21 | 2019-04-05 | 深圳市奥拓电子股份有限公司 | A kind of LED display and its power redundancy backup method and device |
| CN107482762A (en) * | 2017-08-23 | 2017-12-15 | 浙江德广信电子科技股份有限公司 | A kind of LED display power supply backup circuit |
| CN111351533A (en) * | 2020-04-21 | 2020-06-30 | 中国舰船研究设计中心 | Marine steam flow measuring device and method |
| WO2022268003A1 (en) * | 2021-06-21 | 2022-12-29 | 广州视源电子科技股份有限公司 | Led display power supply and display device |
| CN115862486A (en) * | 2021-09-23 | 2023-03-28 | 深圳市普唐光电科技有限公司 | LED display screen with strong current and signal dual-protection function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160217 Termination date: 20171027 |
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| CF01 | Termination of patent right due to non-payment of annual fee |